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# ADVANCED INTEGRATION RESEARCH, INC.
AIR486PI REV. 1
Processor 80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium
Overdrive
Processor 25/33/50(internal)/66(internal)MHz
Speed
Chip Set Intel
Max. Onboard 128MB
DRAM
Cache 128/256/512KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (3), 32-bit VESA local bus slots
(2), floppy drive interfaces (2), green PC
connector, IDE interface, parallel port, serial
ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Floppy drive | CN1 | External battery | J2 |
| interface 2 | | | |
|----------------+----------+---------------------+----------|
| Floppy drive | CN2 | Turbo switch | J3 |
| interface 1 | | | |
|----------------+----------+---------------------+----------|
| Parallel port | CN3 | Speaker | J4 |
|----------------+----------+---------------------+----------|
| IDE interface | CN4 | IDE interface LED | J5 |
|----------------+----------+---------------------+----------|
| Green PC | CN5 | Power LED & keylock | J6 |
| connector | | | |
|----------------+----------+---------------------+----------|
| Serial port 1 | CN6 | Reset switch | J7 |
|----------------+----------+---------------------+----------|
| Serial port 2 | CN7 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|----------------+----------+---------------------+----------|
| Turbo LED | J1 | 32-bit VESA local | SL1 & |
| | | bus slots | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Green PC select auto | CN5 | Open |
|---+----------------------------------+--------+------------|
| | Green PC select forced | CN5 | Closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP2 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Parallel port IRQ select IRQ7 | JP3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port IRQ select IRQ5 | JP3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select | JP5 | Open |
| | VGA/EGA/monochrome | | |
|---+----------------------------------+--------+------------|
| | Monitor type select CGA | JP5 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP14 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP17 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP18 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP23 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP24 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP26 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP27 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP28 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP29 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP30 | Open |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of the factory configured jumpers are |
| unknown. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | NONE | (1) 1M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 4M x 36 | NONE | (1) 4M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 8M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+--------------+--------------+----------+---------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
|---------+--------------+--------------+----------+---------|
| 68MB | (1) 1M x 36 | (1) 16M x 36 | NONE | NONE |
|---------+--------------+--------------+----------+---------|
| 72MB | (1) 2M x 36 | (1) 16M x 36 | NONE | NONE |
|---------+--------------+--------------+----------+---------|
| 80MB | (1) 4M x 36 | (1) 16M x 36 | NONE | NONE |
|---------+--------------+--------------+----------+---------|
| 96MB | (1) 8M x 36 | (1) 16M x 36 | NONE | NONE |
|---------+--------------+--------------+----------+---------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | NONE |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP8 | JP9 | JP10 | JP11 | JP12 |
|---------+----------+---------+---------+---------+---------|
| 128KB | Closed | Open | Open | Open | Open |
|---------+----------+---------+---------+---------+---------|
| 256KB | Open | Closed | Closed | Closed | Open |
|---------+----------+---------+---------+---------+---------|
| 512KB | Closed | Open | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP25 |
|------------------------------+-----------------------------|
| 80486SX | pins 2 & 3 closed |
|------------------------------+-----------------------------|
| 80487SX | pins 1 & 2 closed |
|------------------------------+-----------------------------|
| 80486DX/DX2/DX4 | pins 1 & 2 closed |
|------------------------------+-----------------------------|
| Pentium Overdrive | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP19 | JP20 | JP21 | JP22 |
|----------+---------+---------+---------+-------------------|
| 25MHz | Closed | Open | Open | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 33MHz | Open | Closed | Closed | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 50iMHz | Closed | Open | Open | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 66iMHz | Open | Closed | Closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOPPY DRIVE CONFIGURATION |
|------------------------------------------------------------|
| 4 floppies | ECP mode | JP4 | JP6 | JP7 |
| used | | | | |
|------------+-----------+------------+-----------+----------|
| Yes | Disabled | Open | Open | pins 1 & |
| | | | | 2 closed |
|------------+-----------+------------+-----------+----------|
| No | Enabled | pins 1 & 2 | pins 1 & | pins 2 & |
| | (DMA 3) | closed | 2 closed | 3 closed |
|------------+-----------+------------+-----------+----------|
| No | Enabled | pins 2 & 3 | pins 2 & | pins 2 & |
| | (DMA 1) | closed | 3 closed | 3 closed |
+------------------------------------------------------------+